Haiyuan county postal code

755200。 According to the national postcode database, the postcode of Haiyuan County, zhongwei City, Ningxia Hui Autonomous Region is 755200. Postal codes are arranged in four levels and six digits, with the first two digits 75 representing Ningxia Hui Autonomous Region, the third digit 5 representing Zhongwei, the fourth digit 2 representing Haiyuan County, and the last two digits 00 representing the specific delivery address.